package com.heima.wemedia.service.impl;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.file.service.FileStorageService;
import com.heima.model.common.dtos.PageResponseResult;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.wemedia.dtos.WmMaterialDto;
import com.heima.model.wemedia.pojos.WmMaterial;
import com.heima.utils.threadlocal.WmThreadLocalUtil;
import com.heima.wemedia.mapper.WmMaterialMapper;
import com.heima.wemedia.mapper.WmNewsMaterialMapper;
import com.heima.wemedia.service.WmMaterialService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;
import java.io.IOException;
import java.util.Date;
import java.util.UUID;

@Service
public class WmMaterialServiceImpl extends ServiceImpl<WmMaterialMapper, WmMaterial> implements WmMaterialService {

    @Autowired
    private FileStorageService fileStorageService;
    @Autowired
    private WmNewsMaterialMapper wmNewsMaterialMapper;
    @Autowired
    private WmMaterialMapper wmMaterialMapper;
    /**
     * 素材上传
     *
     * @param file
     * @return
     */
    @Override
    @Transactional
    public ResponseResult upload(MultipartFile file) {
        //1.上传图片到minio中
        //TODO
        //检查参数
        if (file.getSize() == 0 || file == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        //上传图片到minIO中
        String fileName = UUID.randomUUID().toString().replace("-", "");
        String originalFilename = file.getOriginalFilename();
        String postfix = originalFilename.substring(originalFilename.lastIndexOf("."));
        String fileId=null;
        try {
            fileId=fileStorageService.uploadImgFile("",fileName+postfix,file.getInputStream());
        } catch (IOException e) {
       e.printStackTrace();
       log.error("WmMaterialServiceImpl-上传文件失败");
        }
        //保存到数据库中
        WmMaterial wmMaterial=new WmMaterial();
        wmMaterial.setUserId(WmThreadLocalUtil.getUser().getId());
        wmMaterial.setUrl(fileId);
        wmMaterial.setIsCollection((short)0);
        wmMaterial.setType((short)0);
        wmMaterial.setCreatedTime(new Date());
        save(wmMaterial);
        return ResponseResult.okResult(wmMaterial);
    }

    /**
     * 查询素材列表
     *
     * @param dto
     * @return
     */
    @Override
    public ResponseResult list(WmMaterialDto dto) {
       //TODO
       //检查参数
        dto.checkParam();
        //分页查询
        IPage page=new Page(dto.getPage(),dto.getSize());
        LambdaQueryWrapper<WmMaterial>lambdaQueryWrapper=new LambdaQueryWrapper<>();
        //是否收藏
      if (dto.getIsCollection() != null && dto.getIsCollection() == 1) {
        lambdaQueryWrapper.eq(WmMaterial::getIsCollection,dto.getIsCollection());
      }
        //按照用户查询
      lambdaQueryWrapper.eq(WmMaterial::getUserId,WmThreadLocalUtil.getUser().getId());
        //按照时间倒序
      lambdaQueryWrapper.orderByDesc(WmMaterial::getCreatedTime);
       page = page(page, lambdaQueryWrapper);
      //结果返回
      PageResponseResult pageResponseResult = new PageResponseResult(dto.getPage(), dto.getSize(), (int) page.getTotal());
      pageResponseResult.setData(page.getRecords());
      return pageResponseResult;
    }

    /**
     * 删除素材
     *
     * @param id
     * @return
     */
    @Override
    public ResponseResult del(Integer id) {
        //TODO
     /* QueryWrapper queryWrapper=new QueryWrapper<>();
      queryWrapper.eq("material_id",id);
      List list = wmMaterialMapper.selectList(queryWrapper);
      if (list.size()>0){
        return false;
      }else {
      return wmMaterialMapper.deleteById(id)>0;
      }*/
      return null;
    }

    /**
     * 取消收藏
     *
     * @param id
     * @return
     */
    @Override
    public ResponseResult cancel(Integer id) {
        //TODO
     boolean deleted= baseMapper.deleteById(id)>0;
     if (deleted){
       return new ResponseResult(200,"取消收藏成功");
     }else {
       return new ResponseResult(500,"取消收藏失败");
     }

    }

    /**
     * 收藏
     *
     * @param id
     * @return
     */
    @Override
    public ResponseResult collect(Integer id) {
        //TODO

      return null;
    }
}
